National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Manchester Airport (KMHT)

Lat: 42.93°NLon: 71.44°WElev: 223ft.

Mostly Cloudy

44°F

7°C

Humidity 55%
Wind Speed S 3 mph
Barometer 29.81 in (1010.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 4 May 4:53 am EDT
Extended Forecast for

Merrimack NH

  • Today

    Today: Sunny, with a high near 70. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. South wind around 5 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. South wind 5 to 10 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers, mainly before 2am. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 49. South wind around 5 mph.
Tuesday
Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 57. South wind 5 to 10 mph.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers, mainly before 2am. Low around 48. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 64.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimack NH
 42.86°N 71.49°W (Elev. 118 ft)
Last Update:
2:30 am EDT May 4, 2026
Forecast Valid:
5am EDT May 4, 2026-6pm EDT May 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation